This figure outlines where the responsibility lies for different parts of the wastewater system. A District Council, under the Building Act, is responsible for any structural and health issues to do with domestic water disposal, including roof water, and treatment plants. The District Council is also responsible for giving resource consents for wastewater disposal, including the location of treatment plants, pipes etc, and its effect on the natural environment and human amenity. The Regional Council is responsible for any discharged to land or water.